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The mould was simple in structure and reliable in operation.
模具结构简单，运行可靠。
youdao
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The mould is compact in structure and effective in operation.
模具结构紧凑、合理，生产效果良好。
youdao
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The mould is compact in structure and effective in operation.
模具结构紧凑、合理，生产效果良好。
youdao